package com.kly.cashmall.widget.picker;

import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.util.Log;

/**
 * @author
 * @date 17/8/31
 */
public class ImagePickUtil {

  public static String getPath(Context context, final Uri uri) {
    if (uri == null) {
      return null;
    }
    Log.d("ImagePickUtil", "getPath:" + uri.getPath());
    if (Build.VERSION.SDK_INT >= 19 && DocumentsContract.isDocumentUri(context, uri)) {
      if (isExternalStorageDocument(uri)) {
        final String docId = DocumentsContract.getDocumentId(uri);
        final String[] split = docId.split(":");
        final String type = split[0];

        if ("primary".equalsIgnoreCase(type)) {
          return Environment.getExternalStorageDirectory() + "/" + split[1];
        }
      } else if (isDownloadsDocument(uri)) {

        final String id = DocumentsContract.getDocumentId(uri);
        final Uri contentUri =
                ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                        Long.valueOf(id));

        return getDataColumn(context, contentUri, null, null);
      } else if (isMediaDocument(uri)) {
        final String docId = DocumentsContract.getDocumentId(uri);
        final String[] split = docId.split(":");
        final String type = split[0];

        Uri contentUri = null;
        if ("image".equals(type)) {
          contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        } else if ("video".equals(type)) {
          contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
        } else if ("audio".equals(type)) {
          contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
        }

        final String selection = "_id=?";
        final String[] selectionArgs = new String[] {
                split[1]
        };

        return getDataColumn(context, contentUri, selection, selectionArgs);
      } else if (isAppSelfUri(context, uri)) {
        return readFileProvider(uri);
      } else {
        return uri.getPath();
      }
    } else if ("content".equalsIgnoreCase(uri.getScheme())) {
      if (isGooglePhotosUri(uri)) {
        return uri.getLastPathSegment();
      }
      if (isAppSelfUri(context, uri)) {
        return readFileProvider(uri);
      }
      return getDataColumn(context, uri, null, null);
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
      return uri.getPath();
    } else {
      String[] filePathColumn = { MediaStore.Images.Media.DATA };
      Cursor cursor = context.getContentResolver().query(uri, filePathColumn, null, null, null);
      if (cursor != null) {
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        cursor.moveToFirst();
        String filePath = cursor.getString(column_index);
        cursor.close();
        return filePath;
      }
    }

    return null;
  }

  private static String getDataColumn(Context context, Uri uri, String selection,
                                      String[] selectionArgs) {

    Cursor cursor = null;
    String column = "_data";
    String[] projection = {
            column
    };
    try {
      cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
      if (cursor != null && cursor.moveToFirst()) {
        int index = cursor.getColumnIndexOrThrow(column);
        return cursor.getString(index);
      }
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (cursor != null) {
        cursor.close();
      }
    }
    return null;
  }

  /**
   * 具体规则查看file_paths文件配置
   */
  private static String readFileProvider(Uri returnUri) {
    if (returnUri == null) {
      return "";
    }

    String path = returnUri.getPath();
    Log.d("ImagePickUtil", "readFileProvider path:" + path);
    path = path.replace("/root_files", "");
    return path;
  }

  public static boolean isExternalStorageDocument(Uri uri) {
    return "com.android.externalstorage.documents".equals(uri.getAuthority());
  }

  public static boolean isDownloadsDocument(Uri uri) {
    return "com.android.providers.downloads.documents".equals(uri.getAuthority());
  }

  public static boolean isMediaDocument(Uri uri) {
    return "com.android.providers.media.documents".equals(uri.getAuthority());
  }

  public static boolean isGooglePhotosUri(Uri uri) {
    return "com.google.android.apps.photos.content".equals(uri.getAuthority());
  }

  public static boolean isAppSelfUri(Context context, Uri uri) {
    return getAuthorities(context).equals(uri.getAuthority());
  }

  public static String getAuthorities(Context context) {
    return context.getApplicationContext().getPackageName() + ".fileProvider";
  }
}
